code: def create_virtualenv_default():
      create_virtualenv("virtualenv", DEFAULT_PYTHON, DEFAULT_PYENV)
      logging.info(
          "You can use the virtualenv by executing 'source %s/bin/activate'",
          DEFAULT_PYENV,
      )
  
imports: import argparse
  import os
  import sys
  from subprocess import check_call
  import shlex
  from ci.util import retry, remember_cwd
  from typing import List
  from collections import OrderedDict
  import logging
  import yaml
  import shutil
label_desc: Use image node_id 2 for calling a global function with example usage: create_virtualenv_default() without return types